Axiom Space is building for beyond, guided by the vision of a thriving home in space that benefits every human, everywhere. We foster a diverse environment inclusive of all perspectives. We are the pioneers of commercial space, leading the transformation of low-Earth orbit into a global space marketplace. Our mission-driven team is seeking a bold and dynamic person who is fueled by problem-solving, continuously curious, and driven to understand our world, science/technology, and life itself, for the benefit of all on Earth and beyond. Axiom Space is looking for a Simulation Software Engineer to work with simulations in support of our Nation's space exploration NASA / Johnson Space Center xEVA program in Houston, TX. We are looking for candidates that have a great interest in software and spacecraft simulation and would love to contribute to our Nation's exploration of space. This work involves the development and support of core simulation infrastructure tools, GUI application development, math model and simulation development, simulation integration, and distributed simulation development on Linux PC platforms using the Trick Simulation Environment in support of the xEVA NASA program. The individual will integrate real Flight Software (FSW) in Trick-based C++ simulations. The responsibilities include development of high-fidelity simulation math models, troubleshooting, debugging, and simulation verification. The ideal candidate must have spacecraft domain experience in one or more of the following areas: electrical power, avionics command and data handling, environmental control and life support, thermal and fluids. **DUTIES & RESPONSIBILITIES** + Software development and support of core simulation infrastructure + Develop GUI tools + Develop high-fidelity simulation math models using the NASA’s Trick Simulation Environment and NASA’s GUNNS software package + Integrate software models for multiple real time simulation environments + Provide user support and guidance for simulation model development and integration + Debug, test, and verification work of simulation math models and integrated simulations + Develop interface software for Hardware-In-The-Loop test rig environments + Develop HLA software for joint NASA Flight Operations Directorate mission operations + Perform other duties as assigned **QUALIFICATIONS:** To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. **Education & Experience** + B.S. in Aerospace, Mechanical, Electrical/Computer, Software Engineering, Computer Science, Mathematics, Physics, or related disciplines required + Experience with C/C++ language and Python scripting + Experience with Object-Oriented-Programming (OOP) + Experience with Unix/Linux Operating System + Experience with developing spacecraft simulation models, math model development, and real time software applications **Be able to manage multiple priorities with little supervision** + Possess strong software skills and across multiple languages + Possess strong technical expertise combined with strong verbal and written communication skills + Ability to manage multiple priorities with little supervision **Additional Qualifications** + Experience developing simulations with High Level Architecture (HLA), TrickHLA, or other distributed simulation methods + Experience developing GUI applications + Experience developing simulations using NASA’s General-Use Nodal Network Solver (GUNNS) or equivalent tools + Experience developing simulations using NASA’s Trick Simulation Framework or equivalent tools + Experience using NASA’s Core Flight Software (CFS) or equivalent frameworks + Experience integrating Flight Software in real time simulation environments + Experience developing interface software for Hardware-In-The-Loop (HIL) test rig environments. + Experience with Continuous Integration/ Continuous Deployment (CI/CD) software development process **Skills** + Excellent interpersonal skill + Excellent communication skill, verbal and written + Excellent organizational skills + Result oriented personality with a creative approach to problem solving + Ability to work in a team environment + Self-motivated **WORK ENVIRONMENT:** + Generally, an office environment, but can involve inside or outside work depending on the task **Requirements** + Must be able to complete a U.S. government background investigation + Management has the prerogative to select at any level for which the position is advertised + Proof of U.S. Citizenship or US Permanent Residency is a requirement for this position **Physical Requirements** + Work may involve sitting or standing for extended periods (90% of the time) + May require lifting and carrying up to 25 lbs. (5% of the time) + Equipment and Machines + Standard office equipment (PC, telephone, printer, etc.) **LIT Principles** To perform the job successfully, an individual should demonstrate the following principles: **Leadership** + Integrity First + Safety Always + Transcend + Excellence **Innovation** + Create + Iterate + Disrupt + Bold **Teamwork** + Together + Unstoppable + Humility + Relentless _Axiom Space is proud to be an equal opportunity employer. Axiom Space does not discriminate on the basis of race, regional color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with disability, or other applicable legally protected characteristics._